A cloaking device is made of copper rings, each surrounded by 10 layers of meta-material. (© Duke Photography www.dukephoto.duke.edu)Now You See It, Now You Don’t -- Air & Space Smithsonian
Blinding us with science: the next generation of stealth.
Look down a long stretch of highway on a summer afternoon and in the distance a pool of water seems to wait for you, glistening under the hot sun. It’s only an illusion—Mother Nature’s version of a practical joke. The difference in density between the asphalt-heated air near the surface and the cooler air above acts like a lens, bending light waves as they pass from one layer to the next to reflect the blue sky and hide both the blacktop and any vehicles at the far end of the road behind a shimmering curtain.
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My Comment: The technical geek inside of me loves stories like this one .... makes you wonder what the ultimate limits to stealth are.